 | 
Creep High Alumina Bricks for Hot Stove
|
Items |
HRL- |
Andalusite bricks |
|
155 |
150 |
145 |
140 |
135 |
130 |
127 |
HS |
HD |
|
AL2O3（%）,≥ |
75 |
75 |
70 |
65 |
65 |
60 |
50 |
57 |
53 |
|
Refractoriness(℃),＞ |
1790 |
|
Apparent Porosity（%）,
≤ |
20
(23) |
21
(23) |
20
(22) |
23
(24) |
23
(24) |
23
(24) |
23
(24) |
20
(22) |
20
(22) |
|
Bulk Density（g/cm3),≥ |
2.5
(2.45) |
2.5
(2.45) |
2.45
(2.40) |
2.40
(2.35) |
2.40
(2.35) |
2.30
(2.25) |
2.20
(2.15) |
2.40
(2.35) |
2.325
(2.275) |
|
Cold Crushing
Strength(Mpa),≥ |
50
(40) |
50
(40) |
50
(40) |
50
(40) |
45
(40) |
40
(30) |
40
(30) |
40
(30) |
40
(30) |
|
Creep
Rate(0.2Mpa,50h)(%),≤ |
1550℃ |
1550℃ |
1450℃ |
1400℃ |
1350℃ |
1300℃ |
1270℃ |
1400℃ |
1350℃ |
|
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
1.00 |
(20-50H)
0.2 |
(20-50H)
0.2 |
| |
